50P/Arend

50P/Arend
Comet 50P on 4 November 1951
Discovery
Discovered bySylvian Arend
Discovery dateOctober 4, 1951[1]
Designations
1951 Q4, 1959 O4
Orbital characteristics
Epoch2009-Mar-01
Aphelion6.2531 AU
Perihelion1.9237 AU[2]
Semi-major axis4.0884 AU
Eccentricity0.52947
Orbital period8.27 a
Inclination19.158°
Last perihelion2016-Feb-08[3]
November 1, 2007[3]
Next perihelion2024-May-12[4]

Comet Arend or 50P/Arend is a periodic comet in the Solar System which was discovered on October 4, 1951.[1] It was discovered by astronomer Sylvain Julien Victor Arend[1] at the Royal Observatory of Belgium located in the municipality of Uccle. The comet was illustrated at approximately a magnitude of 14 and also exhibited a nucleus within a coma 14 arc seconds across. From its discovery, the comet has had 7 perihelions with its last return of Earth recorded on November 1, 2007.[3][5][6][7][8] The comet's next perihelion will be in the year 2024.[9][10]

  1. ^ a b c "50P/Arend". Gary W. Kronk's Cometography. Retrieved 2010-03-02.
  2. ^ "JPL Small-Body Database Browser: 50P/Arend" (2009-03-19 last obs). Jet Propulsion Laboratory. Retrieved 2012-02-18.
  3. ^ a b c "50P/Arend". Aerith. Retrieved 2010-03-02.
  4. ^ MPC
  5. ^ "50P/Arend (2007)". Aerith. Retrieved 2010-03-02.
  6. ^ "Periodic Comet 50P/Arend". H. Mikuz, Crni Vrh Observatory, Slovenia. Retrieved 2010-03-02.
  7. ^ "Catalog of Hubble Space Telescope Comet Observations". The Planetary Data System (PDS) Small Bodies Node (SBN). Archived from the original on 2010-06-01. Retrieved 2010-03-02.
  8. ^ "COMETA 50P (Arend)". U.A.I. SEZIONE COMETE. Archived from the original on 2011-07-22. Retrieved 2010-03-02.
  9. ^ "Numbered periodic comets index in perihelion year". JComet Observations. Retrieved 2010-03-08.
  10. ^ "Cometas Periódicos (Periodic Comets)". Cometografia. Retrieved 2010-03-08.